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Set-GPPermissions

Set-GPPermissions

Grants a level of permissions to a security principal for one GPO or all the GPOs in a domain.

Syntax

Set-GPPermissions -Guid <Guid> -PermissionLevel <GPPermisssionType> -TargetName <string> -TargetType {<Computer> | <User> | <Group>} [-Domain <string>] [-Replace] [-Server <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

Set-GPPermissions [-Name] <string> -PermissionLevel <GPPermisssionType> -TargetName <string> -TargetType {<Computer> | <User> | <Group>} [-Domain <string>] [-Replace] [-Server <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

Set-GPPermissions -All -PermissionLevel <GPPermisssionType> -TargetName <string> -TargetType {<Computer> | <User> | <Group>} [-Domain <string>] [-Replace] [-Server <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

Detailed Description

Grants a level of permissions to a security principal (user, security group, or computer) for one GPO or all the GPOs in a domain. You use the TargetName and TargetType parameters to specify a user, security group, or computer for which to set the permission level. You can use the Name or the Guid parameter to set the permission level for the security principal on a single GPO, or you can use the All parameter to set the permission level for the security principal on all GPOs in the domain.

By default, if the security principal already has a higher permission level than the specified permission level, the change is not applied. You can specify the Replace parameter, to remove the existing permission level from the GPO before the new permission level is set. This ensures that the existing permission level is replaced by the new permission level.

Parameters

-All <SwitchParameter>

Specifies that the permission level is set for the specified security principal for all GPOs in the domain.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Domain <string>

Specifies the domain for this cmdlet. You must specify the fully qualified domain name (FQDN) of the domain (for example: sales.contoso.com).

For the Set-GPPermissions cmdlet, this is the domain of the GPO or GPOs for which to set the permission level for the specified security principal.

If you do not specify the Domain parameter, the domain of the user that is running the current session is used. (If the cmdlet is being executed from a computer startup or shutdown script, the domain of the computer is used.) For more information, see the Notes section in the full Help.

If you specify a domain that is different from the domain of the user that is running the current session (or, for a startup or shutdown script, the computer), a trust must exist between that domain and the domain of the user (or the computer).

You can also refer to the Domain parameter by its built-in alias, "domainname". For more information, see about_Aliases.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Guid <Guid>

Specifies the GPO for which to set the permission level by its globally unique identifier (GUID). The GUID uniquely identifies the GPO.

You can also refer to the Guid parameter by its built-in alias, "id". For more information, see about_Aliases.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Name <string>

Specifies the GPO for which to set the permission level by its display name.

The display name is not guaranteed to be unique in the domain. If another GPO with the same display name exists in the domain, an error occurs. You can use the Guid parameter to uniquely identify a GPO.

You can also refer to the Name parameter by its built-in alias, "displayname". For more information, see about_Aliases.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

1

-PermissionLevel <GPPermisssionType>

Specifies the permission level to set for the security principal. The valid permission levels are: GpoRead, GpoApply, GpoEdit, GpoEditDeleteModifySecurity or None.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Replace <SwitchParameter>

Specifies that the existing permission level for the group or user is removed before the new permission level is set. If a security principal is already granted a permission level that is higher than the specified permission level and you do not use the Replace parameter, no change is made.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Server <string>

Specifies the name of the domain controller that this cmdlet contacts to complete the operation. You can specify either the fully qualified domain name (FQDN) or the host name. For example:

FQDN: DomainController1.sales.contoso.com
Host Name: DomainController1

If you do not specify the name by using the Server parameter, the PDC emulator is contacted.

You can also refer to the Server parameter by its built-in alias, "dc". For more information, see about_Aliases.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-TargetName <string>

The name of the security principal for which to set the permission level. You can specify a user, a security group, or a computer. You can use either the domain-qualified name of the security principal (domain\account) or just its name.

For example, in the contoso.com domain, to specify:
-- The user "someuser", use "contoso\someuser" or "someuser".
-- The Domain Admins security group, use "contoso\Domain Admins" or "Domain Admins".
-- The computer "computer-01", use "contoso\computer-01" or "computer-01".

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-TargetType <PermissionTrusteeType>

The type of security principal for which to set the permission level. You must specify User, Group, or Computer.

The following values are permitted for this object type.

  • Computer

  • User

  • Group

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Confirm <SwitchParameter>

Prompts you for confirmation before executing the command.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-WhatIf <SwitchParameter>

Describes what would happen if you executed the command without actually executing the command.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-CommonParameter

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see About Common Parameter

Input and Return Types

The input type is the type of the objects that you can pipe to the cmdlet. The return type is the type of the objects that the cmdlet emits.

Input Type

Microsoft.GroupPolicy.Gpo. An object that represents a GPO. Collections that contain GPOs from different domains are not supported.

Return Type

Microsoft.GroupPolicy.Gpo. Set-GPPermissions returns an object that represents the GPO for which the permission level was set.

Notes


  • You can use the Domain parameter to explicitly specify the domain for this cmdlet.

    If you do not explicitly specify the domain, the cmdlet uses a default domain. The default domain is the domain that is used to access network resources by the security context under which the current session is running. This domain is typically the domain of the user that is running the session. For example, the domain of the user who started the session by opening Windows PowerShell from the Program Files menu, or the domain of a user that is specified in a runas command. However, computer startup and shutdown scripts execute under the context of the LocalSystem account. The LocalSystem account is a built-in local account, and it accesses network resources under the context of the computer account. Therefore, when this cmdlet is executed from a startup or shutdown script, the default domain is the domain to which the computer is joined.


Examples

EXAMPLE 1

C:\PS>

Set-GPPermissions -Name TestGpo -TargetName "Domain Users" -TargetType Group -PermissionLevel GpoRead                        

Description

-----------

This command sets the permission level for the "Domain Users" security group to GpoRead for the GPO named "TestGpo". Because the Replace parameter is not specified, if the group already has a permission level higher than GpoRead, such as GpoEdit, no action is taken.

EXAMPLE 2

C:\PS>

Set-GPPermissions -All -TargetName "Marketing Admins" -TargetType Group -PermissionLevel GpoEdit -Replace                        

Description

-----------

This command sets the permission level for the "Marketing Admins" security group to GpoEdit on all GPOs in the domain. This includes GPOs that are not linked to any site, domain, or OU. Because the Replace parameter is specified, the new permission level overwrites the existing permissions set for the group.

EXAMPLE 3

C:\PS>

Get-GPO -All | foreach-object { if($_ | Get-GPPermissions -TargetName "Marketing Admins" -TargetType Group -ErrorAction SilentlyContinue) {$_ | Set-GPPermissions -Replace -PermissionLevel GpoApply -TargetName "Marketing Admins" -TargetType group }}



DisplayName      : TestGPO

DomainName       : contoso.com

Owner            : CONTOSO\Domain Admins

Id               : 24f217d4-1403-4d43-9247-d17eeedb22f0

GpoStatus        : AllSettingsEnabled

Description      :

CreationTime     : 3/1/2009 10:51:34 PM

ModificationTime : 3/2/2009 12:53:40 AM

UserVersion      : AD Version: 8, SysVol Version: 8

ComputerVersion  : AD Version: 0, SysVol Version: 0

WmiFilter        :



DisplayName      : TestGPO-1

DomainName       : contoso.com

Owner            : CONTOSO\Domain Admins

Id               : fe2f7402-101b-4b3c-87e4-85d3f47735cb

GpoStatus        : AllSettingsEnabled

Description      :

CreationTime     : 3/1/2009 7:22:03 PM

ModificationTime : 3/2/2009 12:53:54 AM

UserVersion      : AD Version: 0, SysVol Version: 0

ComputerVersion  : AD Version: 0, SysVol Version: 0

WmiFilter        :                        

Description

-----------

This command replaces the current permission level of the "Marketing Admins" security group with GpoApply for all GPOs on which the group has permissions. The command returns each GPO for which the new permission level is set.

First, Get-GPO is used to retrieve all the GPOs in the domain (Get-GPO -All). Then, the collection is piped into the foreach-object command. As each GPO is evaluated, it is piped into Get-GPPermissions. If a permission level for the "Marketing Admins" group is returned, the GPO is piped into Set-GPPermissions to set the permission level for the group. The Replace parameter is specified to make sure that the previous permission level is overwritten.

Note: The ErrorAction parameter is set to SilentlyContinue for Get-GPPermissions. This is because a non-terminating error occurs if the specified security principal does not have permissions on the GPO. Specifying the ErrorAction as SilentlyContinue prevents the error messages from being printed for GPOS on which the security principal does not have permissions. For more information about the ErrorAction parameter, see about_CommonParameters.

See Also

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